2332221391 has 2 divisors, whose sum is σ = 2332221392. Its totient is φ = 2332221390.

The previous prime is 2332221389. The next prime is 2332221421. The reversal of 2332221391 is 1931222332.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2332221391 - 2¹ = 2332221389 is a prime.

Together with 2332221389, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2332221691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1166110695 + 1166110696.

It is an arithmetic number, because the mean of its divisors is an integer number (1166110696).

Almost surely, 2^2332221391 is an apocalyptic number.

2332221391 is a deficient number, since it is larger than the sum of its proper divisors (1).

2332221391 is an equidigital number, since it uses as much as digits as its factorization.

2332221391 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3888, while the sum is 28.

The square root of 2332221391 is about 48293.0780857878. The cubic root of 2332221391 is about 1326.1416795290.

The spelling of 2332221391 in words is "two billion, three hundred thirty-two million, two hundred twenty-one thousand, three hundred ninety-one".